Mobile communication method, mobile communication system, session control device and originating terminal

a mobile communication system and mobile communication technology, applied in multiplex communication, data switching networks, wireless commuication services, etc., can solve the problems of long communication start time, long connection delay, etc., and achieve the effect of shortening the connection delay in starting communication

Inactive Publication Date: 2010-01-05
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0028]The present invention has been made considering the problems, and its object is to provide a mobile communication method, a mobile communication system, a session control device and an originating terminal, which can shorten the connection delay in starting communications between the originating terminal and the terminating terminal through a radio access network and a core network.

Problems solved by technology

Therefore, there has been a problem in that connection delay, which is the time from the sending of a call request to the time the communication is started, is long.

Method used

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  • Mobile communication method, mobile communication system, session control device and originating terminal
  • Mobile communication method, mobile communication system, session control device and originating terminal
  • Mobile communication method, mobile communication system, session control device and originating terminal

Examples

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first embodiment

Configuration of a Mobile Communication System According to Present Invention

[0051]With reference to FIGS. 3 to 5, descriptions will be given of a configuration of a mobile communication system according to a first embodiment of the present invention.

[0052]The mobile communication system according to this embodiment is a system which performs communications between an originating terminal and a terminating terminal through a radio access network and a core network.

[0053]FIG. 3 shows an entire configuration of the mobile communication system according to this embodiment.

[0054]As shown in FIG. 3, the mobile communication system according to this embodiment includes an originating terminal 10A, a terminating terminal 10B, session control devices 30A and 30B, a terminal location management device 50, radio bearer setup devices 60A and 60B, and network bearer setup devices 70A and 70B.

[0055]For example, the radio bearer setup device 60A is provided in a radio network controller (RNC) in ...

second embodiment

(Mobile Communication System According to the Present Invention)

[0093]With reference to FIGS. 8 and 9, descriptions will be given of the operations of a mobile communication system according to a second embodiment of this present invention.

[0094]In Step S2001, an originating terminal 10A sends a communication start request (a call request) which requests to start communication with a terminating terminal 10B, to a session control device 30A controlling a location area of the originating terminal 10A.

[0095]The session control device 30A performs an authentication process for the originating terminal 10A in response to the received communication start request in Step S2002, and sends an authentication result to the originating terminal 1A in Step S2003.

[0096]In Step S2004, when the authentication result is affirmative, the originating terminal 10A sends to the session control device 30A a bearer setup request (a U-plane bearer setup request) which requests to set bearers for communica...

third embodiment

(Mobile Communication System According to the Present Invention)

[0112]With reference to FIGS. 10 and 11, descriptions will be given of the operations of a mobile communication system according to a third embodiment of this present invention.

[0113]In Step S3001, an originating terminal 10A sends to a session control device 30A controlling a location area of the originating terminal 10A a communication start request (a call request) which requests to start communication with a terminating terminal 10B, in parallel with a bearer setup request (a U-plane bearer setup request) which requests to set bearers for communications between the originating terminal 10A and the terminating terminal 10B.

[0114]In Step S3002, the session control device 30A performs an authentication process for the originating terminal 10A in response to the received communication start request.

[0115]When the authentication result is affirmative, the session control device 30A makes an inquiry to a terminal location...

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PUM

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Abstract

A mobile communication method for performing communications between an originating terminal and a terminating terminal through a radio access network and a core network, includes: sending a bearer setup request, in the originating terminal, to a first session control device controlling a location area of the originating terminal, the bearer setup request requesting to set a bearer for the communications between the originating terminal and the terminating terminal; and performing a process of sending a communication start request for the terminating terminal in response to the bearer setup request in parallel with a process of commanding a bearer setup device to set the bearer, in the first session control device.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. P2004-292989, filed on Oct. 5, 2004; the entire contents of which are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a mobile communication method and a mobile communication system, which perform communications between an originating terminal and a terminating terminal through a radio access network and a core network, and to a session control device and an originating terminal, which are used in the mobile communication method.[0004]2. Description of the Related Art[0005]With reference to FIGS. 1 and 2, descriptions will be given of a conventional mobile communication method of performing communications between an originating terminal and a terminating terminal through a radio access network and a core network.[0006]In Step S4001, an originating ...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H04L12/66H04L12/70H04W28/00H04W74/00H04W76/02H04W92/10H04W92/12
CPCH04W76/022H04W74/00H04W76/12H04L12/28
Inventor TANABE, AKIMICHIAMADA, HIROAKITAMURA, MOTOSHISAWADA, MASAHIRO
Owner NTT DOCOMO INC
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